In order to determine the factors affecting the stock investment decision of investors in Da Nang, the article summarizes the research results on the factors affecting the securities investment decision of investors in the locality. Research results show that there are 5 factors affecting investment decisions of Da Nang investors including: Brand image
Security
Cost
Service
Trading system. This research result helps businesses trading in the securities sector improve their quality to attract more and more investors to this market., Tóm tắt tiếng anh, Nowadays, information technology is widely applied in all fields of socio-economic life, especially in commerce. During the COVID-19 pandemic, when localities had to implement social distancing, e-commerce played a critical role. This study uses a quantitative method to analyze the factors affecting the consumer's tendency to use e-commerce in Da Nang. The results show that there are three factors: The usefulness, ease of use and convenience in payment have a strong impact on consumers' decision to use e-commerce. Thereby, the author proposes an award to help businesses develop e-commerce towards attracting customers and developing sustainably.